Subtract 80/42 from 50/36, Solve 1 14/36

Subtract 80/42 from 50/36

1^st number: 1 14/36, 2^nd number: 1 38/42

50/36 - 80/42 is -65/126.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
50/36 = 50 × 7/36 × 7 = 350/252
Likewise, for the 2nd fraction, since 42 × 6 = 252,
80/42 = 80 × 6/42 × 6 = 480/252
Subtract the two like fractions:
350/252 - 480/252 = 350 - 480/252 = -130/252
After reducing the fraction, the answer is -65/126

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